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2026-05-24 - 15:41
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Sun May 24, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23410214484,7sleep00-21swapper/007:08:070
2254921430,3sleep222554-21needreboot07:05:202
233752118109,6sleep10-21swapper/107:07:401
232132115105,7sleep30-21swapper/307:05:343
292722630,0sleep30-21swapper/307:40:173
31742610,0sleep2301ktimersoftd/207:45:172
187362610,0sleep00-21swapper/008:55:190
33752550,0sleep20-21swapper/212:05:152
2375899281,3cyclictest0-21swapper/207:10:202
2375899281,26cyclictest0-21swapper/208:22:232
2375499280,27cyclictest0-21swapper/111:08:111
2375499280,27cyclictest0-21swapper/110:01:131
2375899270,26cyclictest0-21swapper/209:00:122
2375499270,26cyclictest0-21swapper/110:42:251
2375499270,26cyclictest0-21swapper/109:50:421
2375499270,26cyclictest0-21swapper/109:21:161
2375499270,26cyclictest0-21swapper/108:37:451
2375499270,26cyclictest0-21swapper/107:44:501
2375899260,25cyclictest0-21swapper/209:57:042
2375899260,25cyclictest0-21swapper/209:10:402
2375899260,25cyclictest0-21swapper/208:16:332
2375499261,24cyclictest0-21swapper/108:41:341
2375499260,25cyclictest0-21swapper/110:14:161
2375499260,25cyclictest0-21swapper/109:05:221
2375499260,25cyclictest0-21swapper/108:29:511
2375499260,25cyclictest0-21swapper/108:07:111
2375499260,25cyclictest0-21swapper/107:32:241
2375899250,24cyclictest0-21swapper/211:26:352
23754992517,8cyclictest0-21swapper/108:50:461
2375499250,24cyclictest0-21swapper/111:59:591
2375499250,24cyclictest0-21swapper/110:09:131
2375299250,24cyclictest22043-21/usr/sbin/munin07:35:230
2375499241,22cyclictest0-21swapper/110:19:251
2375499240,23cyclictest0-21swapper/111:54:501
2375899231,21cyclictest0-21swapper/210:37:102
2375499231,3cyclictest0-21swapper/112:17:531
2375499231,3cyclictest0-21swapper/111:24:481
2375499231,21cyclictest0-21swapper/109:30:461
2375499231,21cyclictest0-21swapper/109:12:061
2375499231,21cyclictest0-21swapper/108:21:411
2375499231,20cyclictest0-21swapper/108:46:121
2375499230,22cyclictest0-21swapper/112:13:091
2375899222,19cyclictest0-21swapper/211:18:442
23758992220,2cyclictest0-21swapper/207:51:362
23758992218,3cyclictest0-21swapper/210:52:312
2375899221,20cyclictest0-21swapper/211:13:092
2375899220,3cyclictest0-21swapper/211:50:092
2375899220,21cyclictest0-21swapper/211:44:262
2375499226,14cyclictest0-21swapper/108:15:231
23754992218,3cyclictest0-21swapper/109:46:401
23754992218,2cyclictest22821-21cat11:25:161
2375499221,3cyclictest0-21swapper/110:29:101
2375499221,20cyclictest0-21swapper/108:01:151
2375499220,3cyclictest0-21swapper/111:43:411
2375499220,21cyclictest0-21swapper/111:33:561
2375499220,21cyclictest0-21swapper/110:59:441
2375499220,21cyclictest0-21swapper/108:13:181
2375499220,21cyclictest0-21swapper/107:50:591
2375499220,21cyclictest0-21swapper/107:37:091
2375499220,21cyclictest0-21swapper/107:29:561
2375499220,21cyclictest0-21swapper/107:10:091
23758992117,2cyclictest752-21lldpd08:06:462
2375899211,19cyclictest0-21swapper/210:08:042
2375899210,5cyclictest0-21swapper/209:20:202
2375899210,20cyclictest0-21swapper/209:30:212
2375899210,20cyclictest0-21swapper/209:15:042
23754992117,3cyclictest0-21swapper/112:21:381
23754992116,4cyclictest0-21swapper/110:32:041
2375499211,3cyclictest0-21swapper/111:01:591
2375499211,19cyclictest0-21swapper/109:02:221
2375499211,19cyclictest0-21swapper/108:31:111
2375499210,3cyclictest0-21swapper/107:46:391
2375499210,20cyclictest0-21swapper/112:08:261
2375499210,20cyclictest0-21swapper/112:02:451
2375499210,20cyclictest0-21swapper/112:02:441
2375499210,20cyclictest0-21swapper/110:54:581
2375499210,20cyclictest0-21swapper/110:24:041
2375499210,20cyclictest0-21swapper/109:56:371
23752992117,3cyclictest749-21snmpd09:12:520
2375299210,20cyclictest0-21swapper/012:26:380
2375299210,20cyclictest0-21swapper/011:55:110
2375299210,15cyclictest0-21swapper/011:06:150
2375899207,9cyclictest0-21swapper/207:25:222
2375899205,9cyclictest0-21swapper/208:00:182
2375899202,15cyclictest0-21swapper/211:30:112
23758992018,2cyclictest0-21swapper/209:41:402
23758992018,2cyclictest0-21swapper/207:33:452
23758992018,2cyclictest0-21swapper/207:22:332
23758992018,1cyclictest749-21snmpd12:31:382
23758992018,1cyclictest749-21snmpd11:48:172
23758992018,1cyclictest749-21snmpd10:41:192
23758992018,1cyclictest749-21snmpd10:21:222
23758992018,1cyclictest749-21snmpd08:37:592
23758992017,2cyclictest749-21snmpd12:39:592
23758992017,2cyclictest0-21swapper/210:58:022
23758992016,3cyclictest0-21swapper/210:31:192
23758992016,3cyclictest0-21swapper/209:37:552
23758992015,4cyclictest0-21swapper/212:19:532
2375899200,2cyclictest0-21swapper/212:20:082
2375899200,19cyclictest0-21swapper/207:40:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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